Search Results

143 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, APPOST 11

    Effect and mechanism of controlling tobacco weather fleck by Bacillus velezensis GJ11

    WANG Rui(1); HUANG Yong(1); QI Gaofu(2)
    (1) Enshi Tobacco Company of Hubei Province of CNTC, Enshi, Hubei, P.R. China; (2) College of Life Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China
    Tobacco weather fleck is a kind of non-infective disease caused by O3 injury at low temperature. Plant growth-promoting rhizobacteria (PGPRs) such as Bacillus velezensis confer benefits to crops by producing volatile organic compounds to trigger...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 30

    Assessment of within-package and lot-to-lot variability associated with quartz collection pads in the determination of metals in aerosol

    WAGSTAFF W.; JOZA P.; PAICO-AVILEZ H.; ZHENG T.; DONISA C.; RODRIGUEZ-LAFUENTE A.
    Labstat International Inc., Kitchener, ON, Canada
    Determining aerosol metals routinely requires an assessment of differences between test sample aerosol results and collection blanks. When using pad collection principles, the background levels associated with metals from the quartz pad can make the...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 14

    Determination of untargeted compounds in e-liquids using high-performance liquid chromatography-time of flight-mass spectrometry (LC-ToF-MS)

    CHALCRAFT K.; JOZA P.; BIERNACKA P.; LI D.
    Labstat International Inc., Kitchener, ON, Canada
    Techniques like headspace-solid phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GCMS) can identify a wide range of volatile and semi-volatile compounds in e-liquids associated with flavor active compounds of different classes. The...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 70

    Structure and diversity analysis of microbial communities in cigar products by high-throughput sequencing technology

    YE Changwen(1); LI Lu(2); HE Chen(1); LI Dong(1); CHEN Lianfang(1); FAN Li(1); CHEN Chen(1); WEI Xuetuan(2)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) College of Food Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China
    To investigate the structure and diversity of bacterial and fungal communities in cigar products, the bacterial 16S rRNA and fungal internal transcribed spacer (ITS) regions in 10 representative cigar samples were sequenced by high-throughput...
  5. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 09

    Degradation property of degradable film and its effect on flue-cured tobacco development and soil ecological environment

    FAN Jun(1); TAN Jun(1); PENG Wuxing(1); ZHAO Xiuyun(2); WANG Rui(1); XIA Pengliang(1)
    (1) Enshi Company of Hubei Tobacco Company of CNTC, Enshi, Hubei, P.R. China; (2) College of Life Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China
    Aiming at decreasing agricultural pollution caused by plastic film, degradation of photo-oxygen degraded and bio-degradable films and their effects on flue-cured tobacco development, soil temperature, moisture, enzyme activities and fungi community...
  6. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 23

    A statistical analysis of variability in polyaromatic hydrocarbons (PAHs) from reference and commercial cigarettes

    WAGSTAFF W.; RICKERT W.; JOZA P.
    Labstat international ULC, Kitchener, Ontario, Canada
    This study was conducted to characterize the variability of mainstream PAH emissions data and to investigate the ability to detect differences amongst products. The mainstream yields of a reference cigarette (Kentucky Reference 3R4F) were obtained...
  7. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 049

    Assessment of in vitro toxicity/genotoxicity of ends and combustible products

    JORDAN K.(1); BOMBICK B.(1); COOPER B.(1); LEVERETTE R.(1); SHUTSKY T.(1); WEST C.(1); STRASSER J.(1); ROUND E.(1); MARANO K.M.(1); MOMIN R.(2); TRIVEDI A.(2); WAGSTAFF W.(2); BRUCE S.(3); DAKOULAS E.(3); ROY S.(3)
    (1) RAI Services Company, Winston-Salem, NC, USA; (2) Labstat International ULC, Kitchener, ON, Canada; (3) BioReliance Corp, Rockville, MD, USA
    In May 2016, the U.S. Food and Drug Administration Center for Tobacco Products (CTP) issued draft guidance for Premarket Tobacco Product Applications (PMTA) for Electronic Nicotine Delivery Systems (ENDS), which recommends inclusion of in vitro...
  8. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 51

    Change of microbial community composition in bacterial wilt infected tobacco-planting soils and regulation of the functional bio-organic fertiliser

    WANG Rui(1); TAN Jun(1); SHI Heli(1); ZHAO Xiuyun(2)
    (1) Enshi Tobacco Company of Hubei Province of CNTC, Enshi, Hubei, P.R. China; (2) College of Life Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China
    Bacterial wilt caused by Ralstonia solanacearum is one of main soil-borne diseases during the growth of tobacco. Soil microbes play important roles in tobacco growth and health. Little is known about the differences of soil microbes between healthy...